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Given a number in percentage form, you move the decimal point two places to the left to express it in decimal form. If it had no decimal place to start with, append one at the end of the number. If there are not enough digits to move the decimal place two places, then insert 0s before the start of the percentage.

To convert to a fraction, divide the percentage by 100. Simplify the fraction is you so wish.


So 42% is 42. (append decimal point) and the decimal is 0.45

3.5% is 0.035


42% = 42/100 = 21/50.

3.5% = 3.5/100 = 35/1000 = 7/200.

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βˆ™ 9y ago
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βˆ™ 8y ago

Divide it by 100. Say it out loud.

75% = 0.75 = "seventy-five hundredths" = 75/100

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Q: How do you express a percent as a decimal and as a fraction?
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